Ural gemstones. Vishnevite, a mineral of hydro thermal and magma origin, of the tectosilicate subclass, was named after finance minister Count Georg Kankrin.
- Categories: Economy, Business & Finance, Science & Technology, Arts, Culture & Entertainment
- Location: Russia
- Event date: 19.02.1967
- Date published: 19.11.2020
- Author: Yuryi Abramochkin
- Credit: Sputnik
- Original: A67-5611, 6x6 film
- Media: JPEG, 3716x3543px, 3.1Mb